HP Poly Trio 8300/Poly Trio 8500/Poly Trio 8800 up to 8.1.6 on Linux stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.4$5k-$25k0.00

Summaryinfo

A vulnerability described as critical has been identified in HP Poly Trio 8300, Poly Trio 8500 and Poly Trio 8800 up to 8.1.6 on Linux. Affected is an unknown function. Such manipulation leads to stack-based overflow. This vulnerability is uniquely identified as CVE-2026-0826. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in HP Poly Trio 8300, Poly Trio 8500 and Poly Trio 8800 up to 8.1.6 on Linux. Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. CVE summarizes:

In certain scenarios when the admin has enabled Interactive Connectivity Establishment (ICE), a buffer overflow could enable remote code execution on Poly Voice products on the Linux platform.

The advisory is shared for download at support.hp.com. This vulnerability is handled as CVE-2026-0826 since 01/09/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 06/01/2026).

Upgrading to version 8.1.7 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
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VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Poly Trio 8300/Poly Trio 8500/Poly Trio 8800 8.1.7

Timelineinfo

01/09/2026 CVE reserved
06/01/2026 +142 days Advisory disclosed
06/01/2026 +0 days VulDB entry created
06/01/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: hp.com

Advisory: support.hp.com
Status: Confirmed

CVE: CVE-2026-0826 (🔒)
GCVE (CVE): GCVE-0-2026-0826
GCVE (VulDB): GCVE-100-367652

Entryinfo

Created: 06/01/2026 17:24
Changes: 06/01/2026 17:24 (66)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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